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文章介绍了天基钢骨架轻型板的特点、安装使用、施工注意事项,分析了其在输煤栈桥中的应用优势及前景,为新型板材在输煤栈桥领域中的应用推广提供了有力的支持。 相似文献
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钢骨架轻型屋面板作为一种新型建筑结构材料,具有承重,保温,防水等优良性能。能够在施工现场制作安装,工期短、质量好,满足钢结构房屋屋面结构及功能要求,在苏家屯内燃机车检修基地工程中成功应用。 相似文献
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预制装配整体式夹层板楼板体系是一种新型楼板结构体系 ,适用于钢或钢筋混凝土框架结构。文中详细介绍了该楼板体系的制作、安装工艺和施工操作要点。 相似文献
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杨德光 《建筑·建材·装饰》2015,(9)
钢骨架轻型板是一种集轻质、承重、耐久、保温、隔热、防火及抗震等功能为一体的新型轻质承重无机板材。其具备安装便捷,用途广泛等优点。本文针对钢骨架轻型屋面板的应用进行分析,仅供参考。 相似文献
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本文对我国轻型复合板的发展作了较为详细的叙述.阐述了我国目前发展的轻型复合板的品种、产量及特点,并论述了我国轻型复合板生产中存在的问题和解决办法. 相似文献
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弹性楼板假定是建筑结构分析中区别于刚性楼板假定的概念.虽然刚性楼板假定可以满足绝对多数的工程应用,但其毕竟是一种简化计算的假定,与实际有所偏差;弹性楼板假定更接近于实际工程的真实情况,正确理解它的规范依据、力学原理、适用性,有助于设计人员进行合理又安全经济的设计. 相似文献
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Mustafa Ayhan Hatice Gönül İsmail Ağa Gönül Askeri Karakuş 《Construction and Building Materials》2011,25(5):2507-2518
The objective of this research is to determine the effect of basic pumice on morphologic properties of interfacial transition zone in load-bearing lightweight/semi-lightweight concretes. In this respect, it has been researched how the chemical and physical structure and the volumetric ratio of basic pumice affected the following three morphologic properties of interfacial transition zone: compactness, width and physical adherence. In accordance with the stated purpose, 15 concrete serials with various properties were produced using basic pumice as aggregate and 670 images were taken from the samples collected from these serials via scanning electron microscope (SEM). Semi-analytical detections were performed based on non-generalizing numeric data obtained in conclusion of the determination of grain limits in these images and comments on visual analysis. In accordance with these detections, it has been concluded that the basic pumice has a high level of potential to contribute to the morphologic properties of interfacial transition zone. 相似文献
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结合某工程实例,从钢板桩围堰的整体强度及稳定性出发,应用有限元程序MIDAS Civil2010对此工程中钢板桩围堰最不利状况进行了结构分析,并对其强度以及稳定性进行了检算,通过检算结果证明了钢板桩围堰强度和稳定性均满足相应要求,说明了钢板桩围堰在该工程应用中的可行性。 相似文献
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介绍了南昌联发广场工程的公寓楼(高位转换)在方案设计、扩大初步设计和抗震设计中所要求进行的弹性分析、弹塑性分析、性能设计等过程。分析结果表明,在地震和风荷载作用下,工程的主体结构具备较好的承载和变形能力,刚度等指标满足计算要求,无明显的薄弱层,能够达到小震弹性、中震弹性和大震不倒的性能目标,满足了设计规范和使用的要求。 相似文献
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为了配制既能满足工作性能又能达到基本力学性能要求的自密实轻骨料混凝土,结合固定砂石体积法和全计算法对SCLC30的配合比进行设计,采用正交试验设计配制9组试件,研究各因素对工作性能和基本力学性能的影响。结果表明:在9组试验中,第1、3、7、8组的工作性能最好,5、6、7、9组的抗压强度值最高。经分析选取和调整,确定最优配合比为:碎石系数0.52,砂系数0.42,粉煤灰掺量为30%,减水剂用量为1.5%,并对最优配合比试件组进行试验,该组混凝土具有良好的工作性能,且满足所要配制的抗压强度的要求。 相似文献
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介绍了公寓式住宅和公寓式办公的概念,并就其防火设计过程中存在的问题,从疏散楼梯的设置、疏散出口的设置宽度及数量、内部装修、增设夹层、消防设施设置几方面做了详细论述,以使这一新型房地产形态更好地发展。 相似文献
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冯正义 《建筑砌块与砌块建筑》2002,(4):28-30
本文着重介绍了利用粉煤灰及其灰渣所生产的空心砌块的生产工艺,原材料及配合比的选择,并分析了混合胶凝材料及激发剂对产品性能的影响,阐述了大掺量粉煤灰砌块的性能和推广意义。 相似文献
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This paper reports the results of an experimental and analytical study to quantify the thermal properties of lightweight foamed concrete (LFC) at high temperatures. The density of LFC ranges from 600 to 1800 kg/m3. The primary objective of this study is to obtain the thermal conductivity of LFC at high temperatures so as to obtain material property data for prediction of fire resistance of LFC based systems. In the analytical approach, LFC is considered to be a two phase material with solid cement and air pores. Therefore, it is assumed that the thermal conductivity of LFC is a function of its porosity and pore size. The porosity of LFC can be easily obtained from the volume of foam inside the material. The effective pore size is based on the dominant internal pore size of the foamed concrete. The Hot Guarded Plate (HGP) test was carried out at different elevated temperatures for foamed concrete of different densities. The HGP test and analytical prediction results are in close agreement. To validate the thermal property results, transient heating tests were conducted in an electric kiln on LFC slabs and the recorded temperatures were compared with a validated one-dimensional heat transfer program in which the aforementioned thermal properties were treated as input data. Close agreement between the measured and predicted temperature results confirms the thermal property results. 相似文献
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再生混凝土基本力学性能试验研究 总被引:2,自引:0,他引:2
设计并完成了再生粗骨料已使用年限分别为0、10、40年和取代率分别为0、30%、50%、70%、100%的C30级再生混凝土的立方体抗压强度、劈裂抗拉强度和抗折强度相关试验,并以天然骨料混凝土作为基准进行对比分析.试验结果表明:再生混凝土立方体抗压强度、劈裂抗拉强度和抗折强度破坏过程和破坏形态与普通混凝土基本一致,在水灰比相同的情况下,再生混凝土立方体抗压强度高于普通混凝土,劈裂抗拉强度低于普通混凝土,抗折强度基本接近普通混凝土;另外,还表明再生粗骨料的寿命对再生混凝土强度有一定影响. 相似文献